Biology:Rice glue
Rice glue (Japanese: 続飯, sokui) is a gel or liquid adhesive made of a smooth mush of well-cooked white rice, diluted to the desired thickness with water.[1][2] It has been used since antiquity for various arts and crafts; for instance, it is a woodworking[1] and paper glue.[2] When dried, it is transparent.[2] Rice glue is notable for containing no acids which can degrade the materials it holds together.
It is still used in modern times to reversibly assemble joints; after it has dried, the glue can be soaked,[1] steamed, or split to re-open the joint;[1] on a small wood joint, the glue is resistant to tens of minutes of water immersion.[3]
It is sometimes mixed 1:1 with urushi lacquer to make nori-urushi (Japanese term), which is darker and dries faster than undiluted lacquer, and is used in making lacquerware.[1]
Rice glue is frequently used in Japan and in China.
See also
References
- ↑ 1.0 1.1 1.2 1.3 1.4 Friesen, Dave (27 October 2015). "Making Sokui (Rice Paste Glue) - Historical Knifemaking". http://islandblacksmith.ca/2015/10/making-sokui-rice-paste-glue/.
- ↑ 2.0 2.1 2.2 "Mend a Paper or Shoji Screen". https://www.japangarden.co.uk/Mend-a-Paper-or-Shoji-Screen-p-59.html.
- ↑ Friesen, Dave (28 March 2014). "Sokui (Rice Paste Glue) Strength Testing". http://islandblacksmith.ca/2014/03/sokui-rice-paste-glue-strength-testing/.
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